In:
Quaternary Research, Cambridge University Press (CUP), Vol. 55, No. 1 ( 2001-01), p. 3-13
Kurzfassung:
New dating confirms that people occupied the Australian continent before the earliest time inferred from conventional radiocarbon analysis. Many of the new ages were obtained by accelerator mass spectrometry 14 C dating after an acid–base–acid pretreatment with bulk combustion (ABA-BC) or after a newly developed acid–base–wet oxidation pretreatment with stepped combustion (ABOX-SC). The samples (charcoal) came from the earliest occupation levels of the Devil's Lair site in southwestern Western Australia. Initial occupation of this site was previously dated 35,000 14 C yr B.P. Whereas the ABA-BC ages are indistinguishable from background beyond 42,000 14 C yr B.P., the ABOX-SC ages are in stratigraphic order to ∼55,000 14 C yr B.P. The ABOX-SC chronology suggests that people were in the area by 48,000 cal yr B.P. Optically stimulated luminescence (OSL), electron spin resonance (ESR) ages, U-series dating of flowstones, and 14 C dating of emu eggshell carbonate are in agreement with the ABOX-SC 14 C chronology. These results, based on four independent techniques, reinforce arguments for early colonization of the Australian continent.
Materialart:
Online-Ressource
ISSN:
0033-5894
,
1096-0287
DOI:
10.1006/qres.2000.2195
Sprache:
Englisch
Verlag:
Cambridge University Press (CUP)
Publikationsdatum:
2001
ZDB Id:
1471589-2
ZDB Id:
205711-6
SSG:
13
SSG:
14
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